柯林斯詞典half-mast 1. PHRASE If a flag is flying at half-mast, it is flying from the middle of the pole, not the top, to show respect and sorrow for someone who has just died. 半旗[usu PHR after v] 返回 half-mast劍橋詞典?at half-mast A flag that is at half mast has been brought down to a point halfway down the pole as an expression of sadness at someone's death . 下半旗（以示對(duì)某人的哀悼） The flags at Buckingham Palace were all flying at half-mast. 白金漢宮的旗幟全都降了半旗。 返回 half-mast